Hello doctors. My problem is related to winter season as always when this season comes, it brings me troubles like exaggerated mucous production and thickening of that mucous particularly in lungs. As a result, I always have chest congestion, tightening, wheezing, breathlessness, dizziness like problems in this winter season only. As soon as summer arrives, all my problems are gone. I don't understand this. I'm 21 years old female with anaemia. There is something more i'm explaining it in simple words- when I walk swiftly, in the winters with my chest congested, it feels like the air is just passing in and out and i'm not able to breathe (no diffusion of oxygen in alveoli or the alveoli remains inflated) so i've to wait till i'm able to breathe again. And there's continuous wheezing. I've granular necrotizing lymphadenitis condition recently and possibility of lymphoma is ruled out by my current doctor. But still the cause of this is not known whether it's an infection or something else. Please help me treat the lungs congestion fully. If there are some tests to be done, please do let me know.